Home / 56,113.16-84,177.78-18,660.92

Finding the Fourth Proportional to 56,113.16, 84,177.78 and 18,660.92

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Solution

The fourth proportional to 56,113.16, 84,177.78 and 18,660.92 is: 27,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,113.16 : 84,177.78 = 18,660.92 : x
  2. Step 2: Convert to fraction form
    56,113.16/84,177.78 = 18,660.92/x
  3. Step 3: Cross multiply
    56,113.16x = 84,177.78 × 18,660.92
  4. Step 4: Simplify right side
    56,113.16x = 1,570,834,818.36
  5. Step 5: Solve for x
    x = 1,570,834,818.36/56,113.16
  6. Step 6: Final answer
    x = 27,994.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.